Collapsible metal box.



L. SILBERMAN.

COLLAPSIBLE METAL BOX.

APPLICATION FILED MAY 25. 1914.

Patented Dec. 14, 1915.

2 SHEETS-SHEET 1.

A T ORIVEVJ cOLL MnlA PLANOGRAPH (0.,WA5HINGTON. n. c.

L/SILBERMAN.

COLLAPSIBLE METAL BOX.

APPLICATION FILED MAY 25. I914.

Patented Dec. 14, 1915.

2 SHEETSSHEET 2 INVENTOR AT ORIVEVS QDLUMBIA PLANOGRAPH 60., WASHINGTON. nv c.

LOUIS SILBERIVIAN', OF NEW YORK, N. Y.

GOLLAPSIBLE METAL BOX.

Specification of Letters Patent.

Patented Dee. 1st, 1915.

Application filed May 25, 1914. Serial No. 840,698.

To aZZ whom it may concern:

Be it known that 1, Lotus SILBERMAN, a citizen of the United States, and a resident of New York city, borough of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Collapsible Metal Boxes, of which the following is a specification.

This invention relates to collapsible metal boxes.

The principal object of the present invention is to provide a collapsible metal box having great strength which can be readily set up and taken apart or collapsed, and which occupies a minimum space when so collapsed.

Another object is to provide reinforcing means which embodies also wear resisting elements for the corners of the box.

The various further objects and advantages will more fully appear from the detailed description and the features of novelty will be particularly pointed out in the claims.

In the drawings illustrating the invention, Figure 1 is a perspective view of the improved box shown as set up. Fig. 2 is a fragmental perspective view illustrating the manner of disassembling the sides. Fig. 3 is a detail View illustrating the corner bar. Fig. 4 is a detail plan view of the interlocking edges of the sides. Fig. 5 is a fragmental detail plan view of the corner pieces upon the cover plates. Fig. 6 is an elevation illustrating the box collapsed. Fig. 7 is a section taken along line 77 of Fig. 6, showing the corner bars held in the interior of the box when collapsed. Fig. 8 is a fragmental detail sectional view of a modified form of head for the corner bar.

Referring in detail to the drawings, the box is formed of the sides 10, 11, having hooked overturned interlocking edges 12 and 13. These edges telescope into one another, as clearly appears from Figs. 2 and 4E, permitting the sides to be assembled by being slid over one another. The end edges of the sides are formed with inbent portions 120 and 130, lying snugly one over the other when the sides are slid into position. These bent portions can be readily hooked under one another during the process of assembling, as will be readily understood from Fig. 2. \Vithin the hooked overturned edges is formed a channel through which passes a rod or bar 1% having a head 15 at one end and the other end 16 being screwthreaded to receive the nut 17 formed substantially similar to the head 15. The cover plates or lids l8 and 19 forming the top and the bottom of the box have overlapping edges 20 extending over the sides and corner pieces 21, formed with offset channels 22, telescoping over the interlocking edges 12 and 13 of the sides. The rods or bars 14 passing through the channels formed in the overturned edges of the sides and the corner pieces of the lids bind all of the parts together and reinforce the box against impact, rendering the same strong and rigid. Also the heads of the bars serve as wear members which take up any wear through the abrasion with contacting surfaces. r

In the modified form of bar illustrated in Fig. 8, the head 17 is attached to the bar 14: by a cotter pin 23 passing through the bar. Thus, the use of a screw and nut is dispensed with.

When it is desired to collapse the box, the removable heads or nuts 17 are unfastened and the corner bars 14 are removed, thus freeing the lids 18 and 19. The latter may then be removed and the sides may be detached by sliding past one another, as illustrated in Fig. 2. The sides 10 may then be placed interiorly of the lids 18 and 19 (Figs. 6 and 7 and the sides 11 placed interiorly of the sides 10. The two portions then con tained in the lids 18 and 19 may be placed over one another with the corner bars 1% in the interior, thus reducing the entire box to small compass.

It will thus be seen that T have provided a reinforced collapsible metal box which is very strong, rigid and durable and which may be readily collapsed and stored in small compass. The reinforcing means not only imparts strength and rigidity to the box, but also serves as a wear resist to take up any wear which the box may incur during handling and shipment.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. A collapsible metal box comprising sides, the edges of the adjacent sides formed to telescope within one another to constitute angular channels, lids having apertures for registering with the channels in the sides, bars of an angular cross section conforming with the channels passing through the channels and apertures, and means for securing the bars to the box.

2. A collapsible metal box comprising sides having overturned marginal edges, the edges of the adjacent sides telescoping to form angular channels, lids having edges overlapping and inclosing the sides, and apertures registering with the channels of the sides, and reinforcing tie bars of an angular cross section conforming with the channels passing through the channels and apertures to hold the parts of the boX together and reinforce the same against shock. v

8. A collapsible metal box having sides formed with interlocking edges to constitute Copies of this patent may be obtained for an angular channel, lids, and corner bars of an angular cross section conforming with the channel passing through the angular channel and through apertures in the lids, said corner bars being formed With removable heads constituting supporting feet upon which the box rests, and means for locking the heads upon thebars.

Signed at New York city, in the county of New York and State of New York, this 22d day of May A. D. 1914-.

LOUIS SILBERMAN. Witnesses:

WM. I. COHEN, MINNIE S. MILLER.

five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

